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Finding the Fourth Proportional to 4,922.70, 6,792.69 and 2,797.95

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Solution

The fourth proportional to 4,922.70, 6,792.69 and 2,797.95 is: 3,860.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.70 : 6,792.69 = 2,797.95 : x
  2. Step 2: Convert to fraction form
    4,922.70/6,792.69 = 2,797.95/x
  3. Step 3: Cross multiply
    4,922.70x = 6,792.69 × 2,797.95
  4. Step 4: Simplify right side
    4,922.70x = 19,005,606.99
  5. Step 5: Solve for x
    x = 19,005,606.99/4,922.70
  6. Step 6: Final answer
    x = 3,860.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.